Air-heating attachment for internal-combustion engines



L, D. NELSON.

AIR HEATING ATTACHMENT VFOR INTERNAL CQNIBUSTION ENGINES. APPucATloN minSEPT. 19. 1911.

Patented Aug. 19, 1919.

IN VEN TOR.

WITAUESNSS;l A LEWIS D. NELSON Mmww w A TTOR NE Ys.

UNITED STATES PATENT OFFICE LEWIS-D. NELSON, OF UNION CITY`, MICHIGAN,ASSIGNOR OF 'ONE-HALF TO ROBERT NEALE, OF UNION CITY, MICHIGAN.

AIR-HEATING ATTACHMENT FOR INTERNAL-COMBUSTION NGINS.

Specification of Letters Patent. l

Application filed September 1S, 1917. Serial No. 192,110.

To all whom it may concern:

Be it known that I, Lewis D. NELSON, a

` Citizen Qithe United seines, residing at Union City, Michigan, haveinvented Acertain new and useful Improvements in Air- HeatingAttachments for Internal- Combustion Engines, of which the following isa specification. This invention relates to improvements in internalcombustion engines.'v

The main objects 'of this invention are: First, to provide in aninternal combustion engine an improved structure-in which the exhaistand :niet manifolds are .housed so that the inlet 'manifold isheated,the housing constituting an air heater for the, carbureter.

' Second,.tol provide a structure having these advantages which isadaptedto -be applied to automobile engines of well known type, such 'asthe Ford, without materially changing the same and without thenecessity. or tapping for securing the for drilling added, parts.

Furtherobjects, and objects relating to detailsfand economies ofconstruction and operationfwill definitely appear from the detaileddescription to follow.

I accomplish the objects of my invention by the devices and meansdescribed in the oll'owingspecitication. The invention is clearlydefined and pointed outl in the claims. Y y

A structure constituting a preferredembodiment of my invention isillustrated in the accompanying drawing forming a part of thisspecification, in which:

Figure I is a detail side elevation of the structure embodying thefeatures of my invention, various parts being shown conventionally. l

Fig. II is a detail vertical transverse section on a line'cori'espondingto line 2-2 of .Fig I the rear section ot' the intake manifold pipe lextension reinovei..

Fig. Vl is an inside view of the removable seetnmbflhe intake pipeextension.

Fig. VII is a detail section through one ,of the housing valves on aline corresponding to line 7-7 of Fig. II.

In the drawing similar reference charac ters refer tx) similarpartsthroughout the several views, and the sectional views are takenlooking in thedirection of the little arrows at the ends ofthe sectionlines.

Referring to the drawing, 1 represents the body of an engine such asthat employed in a Ford automobile,'thesam'e bein' shown mainlylinconventional form. 2 indicates the exhaust manifold and 3 the intakemanifold thereof. The carburetor 4 is also shown conventionally.

The manifolds are secured by the clamp-` ing yokes 5 and the bolts 6.The bolts shown at 7 are the usual cylinder head bolts. The bolts 6 arebolts substituted vfor the clamping bolts commonlyemployed for securingthe manifolds, the bolts 6 being exengine, as shown in Fig. I I with thetop' wall lapping ii on the head. The top Wall is provided ivitii holesindicated at 17 adapted to receive the head bolts 7. dThe bottom wall ofthe housing has angular shoulders 18 adapted to engage the shoulders 19of the engine body. By this arrangement of parts the housing isefectivelysecured b means of the head and the manifold clam lng bolts sothat it is unnecessary to tap t e engine body or provide other securingmeans for the housing.

The housing has an intake pipe extensionA comprising part Q0 which isformed intgrally withv the body of the housing and a removablecomplementary section 20', the upper edge of which Ahas arib 21corresponding to the 'ribs 418. The removable section of the housing andthe main body of the housing are provided with' opposed ears 22 adaptedto receive bolts whereby' the removable section is 'effectively `securedin place and at. the saine time nniy be removed'` to permit theconvenient assembling anddisassembling of thehousing upon the engine.

'lhe housing is provided with ports 23 and 24 at its ends provided withvalves 25. The valves are preferably connected by the vlink 26 so thatthey are simultaneously operated. The vali-'e operating rod 27 is con#nected to the rear valve, the rod being disposed through the instrumentboard 28 for4 convenience in manipulation. These valves are connected sothat when one is opened the other is closed. As the carbureter pipe 29is connect-ed at one end of the housing there is a comparatively shortpath to the pipe 29 for the air fromthe inlet valve at that end to thecarbureter, and a long path from the other valve to the pipe 29, so thateiiective regulation of the heat is provided by manipulation of thesevalves.

I have not in the accompanying drawing attempted to maintain therelative proportions of the various parts as the same may n be varied tomeet varios conditions which may exist in the adaptations. Further Ihave not attempted to illustrate the various adaptations that arepossible. and contemplated by me as I believe the disclosure made vwillenable those skilled in the art. to which my invention relates to embodyor ada ptl the same as may be desired. n

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent is:

l. In an internal combustion engine, the combination with the enginebody, of a carbureter, intake and exhaust manifolds, manifold securingyokes and bolts, the bolts being extended through the yokes to engage ahousing, a manifold housing comprising front, end, top, and bottom wallsembracing said manifolds, the top wall being lapped Aupon the top of theengine and provided upon the top of the engine and lprovided awith boltopenings through which the cap bolts of the engine are disposed, thefront wall being provided with bolt openings through .which saidmanifold securing bolts are disposed, air inlets for said housingprovided with valves connected for simultaneous operation, and an airintake pipe for .said carbureter' -connected to said housing nearer oneof said inlets than the other.-

3. In an internal combustion engine, the combination with the enginebody, of a carburetor, intake and exhaust manifolds, mani.- foldsecuring yokes and bolts, the bolts being extended through the yokes toengage a housing, a manifold Ahousing comprising front, end,topandbottom Walls, embracing said manifolds, the top wall being lappedupon the top of the engine and provided with bolt openings through whichthe cap bolts of the engineA are disposed, the front wall being providedwith bolt openings through which said manifold securing bolts aredisposed, saidhousing being provided with a tubular intake pipeextension. provided with a removable rear section, there .being opposedclampingears on said removable section and adjacent parts ofthe housingwhereby the removable section is secured in place, and an air intakepipe for said carbureter connected to said housing.

4; In an internal combustion engine, the combination with the enginebody, of a carbureter, intake and exhaust-manifolds, a, manifold.housing embracing said manifolds and secured to said engine body, saidhousing being provided with a tubular intake pipe extension providedwith a removable rear section, there being opposed clamping cars on saidremovable section and adjacent parts of the housing, whereby theremovable section is secured in place, and an intake pipe for -saidcarbureter connected to said housing.

In an internal combustion engine the combination with the engine body,of a carbureter, intake and-exhaust manifolds` a with a tubular intakepipe extension prof manifold housing embracing said manifolds vided witha removable rear section, there bei-ng opposed clamping ears on said.reinovable section and adjacent parts of the housing whereby theremovable section is secured in place, air inlets for said housingprovided' and secured to said engine body, said housing being,r providedwith a tubular intake pipe extension provided with a removable rearsection. mcans'for securing said removable section, and an intake pipefor said carburetor connected to said housing.

(i. In an internal combustion engine the coilnbination with the enginebody, -of acarbureter', intake and exhaust manifolds, a manifold housingembracing. said manifolds, air inlets for said housing provided withvalves connected for simultaneous operation so that one is opened as theother is closed, und an air intake pipe for said carbureter connected tosaid housing nearer one of said inlets than the other.

'i'. In an internal combustion engine the 130 vcombination with theengine body, of a ca-I'- hand and seal in the presence of twoWitbureter, ilnt-ake and exhaust manifolds, a nesses. A mani old musingembracing` said manifolds, air inlets for said housing' provided withLEXIS' D NELSON' [L'S] 1 5 valves, and an air intake pipe for seid car-YVitnesses: y

buieter connected to said housing. E. R. SULLIVAN, In Witness whereof Ihave hereunto sei'I my R. Gr. NEALE.

